You don't need people to understand perfectly. You just need them to be right more often than they are wrong, and have enough of them. https://en.wikipedia.org/

You don't need people to understand perfectly. You just need them to be right more often than they are wrong, and have enough of them. https://en.wikipedia.org/wiki/Condorcet%27s_jury_theorem https://en.wikipedia.org/wiki/Condorcet%27s_jury_theorem